Accessing SharedPreferences and setting values

Reset.java

private SharedPreferences sPref;
private final String PREFS = "SharedPreferences";
private final String genderKey = "gender";
private final String activityKey = "activity_level";
private final String timeKey = "time_frame";
private final String nameKey = "name";
private final String ageKey = "age";
private final String heightKey = "height";
private final String weightKey = "weight";
private final String goalKey = "target";
private final String passwordKey = "password";
private final String[] keys
  = {genderKey,activityKey,timeKey,nameKey,ageKey,heightKey,weightKey,goalKey,passwordKey};

public void reset() {
  // this follows the general steps to open sharedpreferences
  sPref = getSharedPreferences(PREFS, Context.MODE_PRIVATE);
  // open it up for editing
  SharedPreferences.Editor editor = sPref.edit();
  
  for( String s : keys ){
    // change key/value stores
    editor.put(s,"");
  }
  
  //then write the changes 
  editor.commit();
}